CVE-2026-42946
MediumCVSS 6.5Exploitation Probability (EPSS)
Elevated risk56th percentile - higher than 56% of all known CVEs
Summary
A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module that may result in excessive memory allocation or an over-read of data. An unauthenticated attacker with man-in-the-middle ability may read the memory of the NGINX worker process or restart it.
Risk Assessment
The organization may be exposed to data leakage from the NGINX server's memory and potential service disruptions.
Recommendation
It is recommended to update NGINX to the latest version to minimize the risk associated with this vulnerability.
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Original NVD description (English source)
A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS